Powered case trimmer



FIG. 1 is a front and left side perspective view of a powered case trimmer showing my new design;

FIG. 2 is a left side elevation view thereof, of which the right side elevation view is a mirror image;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is a top plan view thereof, of which the bottom plan view is a mirror image. 

CLAIM The ornamental design for a powered case trimmer, as shown and described. 